2A551 Practice Test Volume 2
- 1.The maintenance stand with an adjustable height of 13 to 20 feet is the
- A.
B-1
- B.
B-2
- C.
B-4
- D.
B-5
- 2.Of the following, the maintenance stand that is a scissor-type is the
- A.
B-1
- B.
B-2
- C.
B-4
- D.
C-1
- 3.The type of jack normally used to change a tire on the aircraft is the
- A.
Axle
- B.
Tail
- C.
Nose
- D.
Fixed-height
- 4.The boiling point of liquid oxygen (LOX) is
- A.
-183 degrees C
- B.
-183 degrees F
- C.
-297 degrees C
- D.
-297 degrees F
- 5.The low and high pressure capabilities, as measure in PSI of the NSU-L75 nitrogen servicing unit are
- A.
0-300, 300-3500
- B.
0-300, 300-3600
- C.
0-350, 350-2500
- D.
0-350, 350-3600
- 6.The high pressure pump provides a hydraulic filler pressurization unit with a maximum pressure of
- A.
2000 PSI
- B.
2500 PSI
- C.
3000 PSI
- D.
3500 PSI
- 7.The model 4000 engine trailer can support a maximum load of
- A.
7000 lbs
- B.
8000 lbs
- C.
9000 lbs
- D.
10000 lbs
- 8.The usable pressure range, as measured is PSI, of the MC-1A air compressor is
- A.
0-200
- B.
0-350
- C.
0-3200
- D.
05-3500
- 9.The MC-2A air compressor is capable of delivering air at a maximum pressure, measured is PSI, of
- A.
200
- B.
300
- C.
3500
- D.
3600
- 10.The H-1 heater has an adjustable heat output that ranges from
- A.
100F to 230F
- B.
115F to 250F
- C.
125F to 270F
- D.
150F to 280F
- 11.The stationary, skid-mounted power unit that produces aircraft electrical power for use in shops and hangars is the
- A.
A/M32A-95
- B.
MK-3A
- C.
MD-4
- D.
MB-2
- 12.The unit capable of providing both AC and DC electrical power in addition to pneumatic power for ground maintenance is the
- A.
A/M32A-95
- B.
A/M32A-86
- C.
A/M32A-60
- D.
AF/M-32R-3
- 13.The hydraulic systems on the MK-3A-1 hydraulic test stand are designated
- A.
Primary and secondary
- B.
Primary and alternate
- C.
No 1 and No 2
- D.
Left and right
- 14.The amount of fluid the MJ-2A reservoir holds is
- A.
19 g
- B.
27 g
- C.
30 g
- D.
60 g
- 15.A Class I MB-2 tractor weighs
- A.
2700 lbs
- B.
40000 lbs
- C.
53000 lbs
- D.
500000 lbs
- 16.The structural members, whose chief use is to give shape to the aircraft and provide a means for attaching the skin to the structure, are called
- A.
Longerons
- B.
Bulkheads
- C.
Stringers
- D.
Frames
- 17.The most common type of material used for fuselage construction
- A.
Steel
- B.
Titanium
- C.
Magnesium
- D.
Aluminum alloy
- 18.The wing components that provide strength and contour shape to the wing are the
- A.
Ribs
- B.
Spars
- C.
Stringers
- D.
Stiffners
- 19.The main difference between inspection plates and panels is
- A.
Size
- B.
Material
- C.
Location
- D.
Installation
- 20.A cracked radome could cause
- A.
Antenna oscillation
- B.
Dielectric increase
- C.
Microwave distortion
- D.
Electron- deterioration
- 21.The reference locations, which are in the vertical direction measured from a reference datum that is usually well below the aircraft, are called
- A.
Buttlines
- B.
Waterlines
- C.
Buttock stations
- D.
Fuselage stations
- 22.The category of a -21 equipment used for life support and crew comfort is
- A.
I
- B.
II
- C.
III
- D.
IV
- 23.The effective range of a fully charged handheld fire extinguisher is
- A.
5 feet
- B.
10 feet
- C.
15 feet
- D.
20 Feet
- 24.The first practical laminated composite formed was
- A.
Safety glass
- B.
Fiberglass
- C.
Plywood
- D.
Adobe
- 25.A barometer is designed to measure pressure is
- A.
PSI
- B.
Inches in mercury
- C.
Relative humidity
- D.
Ounces of air
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